[INFO] cloning repository https://github.com/rmyhovych/shader-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rmyhovych/shader-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmyhovych%2Fshader-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmyhovych%2Fshader-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5aad2180f846740abf44bbae52eacd416f51d2ab
[INFO] checking rmyhovych/shader-rust against e4d5758286bf2cf6f415802f2cf861747a7c6c8c for pr-152972
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmyhovych%2Fshader-rust" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rmyhovych/shader-rust
[INFO] finished tweaking git repo https://github.com/rmyhovych/shader-rust
[INFO] tweaked toml for git repo https://github.com/rmyhovych/shader-rust written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rmyhovych/shader-rust on toolchain e4d5758286bf2cf6f415802f2cf861747a7c6c8c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e4d5758286bf2cf6f415802f2cf861747a7c6c8c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rmyhovych/shader-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e4d5758286bf2cf6f415802f2cf861747a7c6c8c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded shaderc v0.6.3
[INFO] [stderr]   Downloaded cmake v0.1.44
[INFO] [stderr]   Downloaded cc v1.0.61
[INFO] [stderr]   Downloaded libc v0.2.80
[INFO] [stderr]   Downloaded shaderc-sys v0.6.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 5a02f17beaea335223e6e29b90aec920c2e850787c07c267323ed3e3e0d4f998
[INFO] running `Command { std: "docker" "start" "5a02f17beaea335223e6e29b90aec920c2e850787c07c267323ed3e3e0d4f998", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a02f17beaea335223e6e29b90aec920c2e850787c07c267323ed3e3e0d4f998", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5a02f17beaea335223e6e29b90aec920c2e850787c07c267323ed3e3e0d4f998" "/opt/rustwide/cargo-home/bin/cargo" "+e4d5758286bf2cf6f415802f2cf861747a7c6c8c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a02f17beaea335223e6e29b90aec920c2e850787c07c267323ed3e3e0d4f998", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5a02f17beaea335223e6e29b90aec920c2e850787c07c267323ed3e3e0d4f998" "/opt/rustwide/cargo-home/bin/cargo" "+e4d5758286bf2cf6f415802f2cf861747a7c6c8c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling cmake v0.1.44
[INFO] [stderr]    Compiling shaderc-sys v0.6.3
[INFO] [stderr] warning: shaderc-sys@0.6.3: Checking for system installed libraries.  Use --features = build-from-source to disable this behavior
[INFO] [stderr] warning: shaderc-sys@0.6.3: System installed library not found.  Falling back to build from source
[INFO] [stderr] error: failed to run custom build command for `shaderc-sys v0.6.3`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/shaderc-sys/53110b7c8a350245/out/build_script_build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:warning=Checking for system installed libraries.  Use --features = build-from-source to disable this behavior
[INFO] [stderr]   cargo:warning=System installed library not found.  Falling back to build from source
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (139) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/shaderc-sys-0.6.3/build/cmd_finder.rs:50:13:
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   couldn't find required command: "python"
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x63290606c931 - std[cbafc1a513166901]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/e4d5758286bf2cf6f415802f2cf861747a7c6c8c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x63290606c931 - std[cbafc1a513166901]::backtrace_rs::backtrace::trace_unsynchronized::<std[cbafc1a513166901]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/e4d5758286bf2cf6f415802f2cf861747a7c6c8c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x63290606c931 - std[cbafc1a513166901]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/e4d5758286bf2cf6f415802f2cf861747a7c6c8c/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x63290606c931 - <<std[cbafc1a513166901]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[1ebd966819e03bce]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/e4d5758286bf2cf6f415802f2cf861747a7c6c8c/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x63290608079a - <core[1ebd966819e03bce]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/e4d5758286bf2cf6f415802f2cf861747a7c6c8c/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x63290608079a - core[1ebd966819e03bce]::fmt::write
[INFO] [stderr]      6:     0x6329060720dc - core[1ebd966819e03bce]::io::write::default_write_fmt::<std[cbafc1a513166901]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/e4d5758286bf2cf6f415802f2cf861747a7c6c8c/library/core/src/io/write.rs:402:11
[INFO] [stderr]      7:     0x6329060720dc - <std[cbafc1a513166901]::sys::stdio::unix::Stderr as core[1ebd966819e03bce]::io::write::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/e4d5758286bf2cf6f415802f2cf861747a7c6c8c/library/core/src/io/write.rs:335:13
[INFO] [stderr]      8:     0x63290604c4e6 - <std[cbafc1a513166901]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/e4d5758286bf2cf6f415802f2cf861747a7c6c8c/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x63290604c4e6 - std[cbafc1a513166901]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/e4d5758286bf2cf6f415802f2cf861747a7c6c8c/library/std/src/panicking.rs:289:27
[INFO] [stderr]     10:     0x632906067771 - std[cbafc1a513166901]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/e4d5758286bf2cf6f415802f2cf861747a7c6c8c/library/std/src/panicking.rs:316:9
[INFO] [stderr]     11:     0x63290606792b - std[cbafc1a513166901]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/e4d5758286bf2cf6f415802f2cf861747a7c6c8c/library/std/src/panicking.rs:811:13
[INFO] [stderr]     12:     0x63290604c592 - std[cbafc1a513166901]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/e4d5758286bf2cf6f415802f2cf861747a7c6c8c/library/std/src/panicking.rs:685:13
[INFO] [stderr]     13:     0x632906046409 - std[cbafc1a513166901]::sys::backtrace::__rust_end_short_backtrace::<std[cbafc1a513166901]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/e4d5758286bf2cf6f415802f2cf861747a7c6c8c/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x63290604cd7d - __rustc[1080c69225188e79]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/e4d5758286bf2cf6f415802f2cf861747a7c6c8c/library/std/src/panicking.rs:676:5
[INFO] [stderr]     15:     0x632906080ecc - core[1ebd966819e03bce]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/e4d5758286bf2cf6f415802f2cf861747a7c6c8c/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x632905ff6c96 - <build_script_build[488d712daf97ed01]::cmd_finder::CommandFinder>::must_have::<&str>::{closure#0}
[INFO] [stderr]     17:     0x632905ff43b0 - <core[1ebd966819e03bce]::option::Option<std[cbafc1a513166901]::path::PathBuf>>::unwrap_or_else::<<build_script_build[488d712daf97ed01]::cmd_finder::CommandFinder>::must_have<&str>::{closure#0}>
[INFO] [stderr]     18:     0x632905ff46c0 - <build_script_build[488d712daf97ed01]::cmd_finder::CommandFinder>::must_have::<&str>
[INFO] [stderr]     19:     0x632905ffa619 - build_script_build[488d712daf97ed01]::main
[INFO] [stderr]     20:     0x632905ffd403 - <fn() as core[1ebd966819e03bce]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     21:     0x632905ff621e - std[cbafc1a513166901]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     22:     0x632905ff6e39 - std[cbafc1a513166901]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     23:     0x632906066b78 - <&dyn core[1ebd966819e03bce]::ops::function::Fn<(), Output = i32> + core[1ebd966819e03bce]::panic::unwind_safe::RefUnwindSafe + core[1ebd966819e03bce]::marker::Sync as core[1ebd966819e03bce]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/e4d5758286bf2cf6f415802f2cf861747a7c6c8c/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     24:     0x632906066b78 - std[cbafc1a513166901]::panicking::catch_unwind::do_call::<&dyn core[1ebd966819e03bce]::ops::function::Fn<(), Output = i32> + core[1ebd966819e03bce]::panic::unwind_safe::RefUnwindSafe + core[1ebd966819e03bce]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/e4d5758286bf2cf6f415802f2cf861747a7c6c8c/library/std/src/panicking.rs:573:43
[INFO] [stderr]     25:     0x632906066b78 - std[cbafc1a513166901]::panicking::catch_unwind::<i32, &dyn core[1ebd966819e03bce]::ops::function::Fn<(), Output = i32> + core[1ebd966819e03bce]::panic::unwind_safe::RefUnwindSafe + core[1ebd966819e03bce]::marker::Sync>
[INFO] [stderr]                                  at /rustc/e4d5758286bf2cf6f415802f2cf861747a7c6c8c/library/std/src/panicking.rs:541:19
[INFO] [stderr]     26:     0x632906066b78 - std[cbafc1a513166901]::panic::catch_unwind::<&dyn core[1ebd966819e03bce]::ops::function::Fn<(), Output = i32> + core[1ebd966819e03bce]::panic::unwind_safe::RefUnwindSafe + core[1ebd966819e03bce]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/e4d5758286bf2cf6f415802f2cf861747a7c6c8c/library/std/src/panic.rs:359:14
[INFO] [stderr]     27:     0x632906066b78 - std[cbafc1a513166901]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/e4d5758286bf2cf6f415802f2cf861747a7c6c8c/library/std/src/rt.rs:175:24
[INFO] [stderr]     28:     0x632906066b78 - std[cbafc1a513166901]::panicking::catch_unwind::do_call::<std[cbafc1a513166901]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/e4d5758286bf2cf6f415802f2cf861747a7c6c8c/library/std/src/panicking.rs:573:43
[INFO] [stderr]     29:     0x632906066b78 - std[cbafc1a513166901]::panicking::catch_unwind::<isize, std[cbafc1a513166901]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/e4d5758286bf2cf6f415802f2cf861747a7c6c8c/library/std/src/panicking.rs:541:19
[INFO] [stderr]     30:     0x632906066b78 - std[cbafc1a513166901]::panic::catch_unwind::<std[cbafc1a513166901]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/e4d5758286bf2cf6f415802f2cf861747a7c6c8c/library/std/src/panic.rs:359:14
[INFO] [stderr]     31:     0x632906066b78 - std[cbafc1a513166901]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/e4d5758286bf2cf6f415802f2cf861747a7c6c8c/library/std/src/rt.rs:171:5
[INFO] [stderr]     32:     0x632905ff6211 - std[cbafc1a513166901]::rt::lang_start::<()>
[INFO] [stderr]     33:     0x632905ffd4f5 - main
[INFO] [stderr]     34:     0x7f5805f2a601 - <unknown>
[INFO] [stderr]     35:     0x7f5805f2a718 - __libc_start_main
[INFO] [stderr]     36:     0x632905ff3835 - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "5a02f17beaea335223e6e29b90aec920c2e850787c07c267323ed3e3e0d4f998", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a02f17beaea335223e6e29b90aec920c2e850787c07c267323ed3e3e0d4f998", kill_on_drop: false }`
[INFO] [stdout] 5a02f17beaea335223e6e29b90aec920c2e850787c07c267323ed3e3e0d4f998
